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  • 1
    Electronic Resource
    Electronic Resource
    Effects of six-carbon aldehydes and alcohols on bacterial proliferation (1993)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 41 (1993), S. 506-510 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00027a030
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  • 2
    Electronic Resource
    Electronic Resource
    Variation of flavor components on leaf surfaces of tobacco genotypes differing in trichome density (1990)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 38 (1990), S. 467-471 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00092a030
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  • 3
    Electronic Resource
    Electronic Resource
    Rhombi inscribed in simple closed curves (1995)
    Springer
    Geometriae dedicata 54 (1995), S. 245-254 
    Details
    ISSN: 1572-9168
    Keywords: 52Cxx
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We show that given any simple closed curveJ in ℝ2 and any lineL, the curveJ contains the four vertices of some rhombusR with two sides parallel toL. Furthermore, the cyclic order of the vertices ofR agrees with their cyclic order onJ. We also show that the diameters of the rhombi so produced (one for each lineL) may be bounded away from zero.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01265340
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  • 4
    Electronic Resource
    Electronic Resource
    Rectangles inscribed in symmetric continua (1995)
    Springer
    Geometriae dedicata 56 (1995), S. 285-297 
    Details
    ISSN: 1572-9168
    Keywords: 54-XX
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract LetQ be any rectangle and letK ⊂ ℝ d (d ≥ 2) be a continuum which is either symmetric across a hyperplane or symmetric through a pointz ∉K. We show thatK contains the vertices of a rectangle similar toQ which exhibits the same symmetry as doesK.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01263570
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  • 5
    Electronic Resource
    Electronic Resource
    Singular points of a star-finite tiling (1990)
    Springer
    Geometriae dedicata 33 (1990), S. 99-109 
    Details
    ISSN: 1572-9168
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Let ℐ be a star-finite tiling of a topological vector space of dimension greater than one and let S(ℐ) denote the set of singular points of ℐ. We show that S(ℐ) is either uncountable or empty by investigating the density in S(ℐ) of certain subcollections of geometrically interesting singular points.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00147605
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  • 6
    Electronic Resource
    Electronic Resource
    Triangles inscribed in simple closed curves (1992)
    Springer
    Geometriae dedicata 43 (1992), S. 291-297 
    Details
    ISSN: 1572-9168
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We show that given any triangle T and any simple closed curve J ⊂ ℝ2 there are infinitely many triangles similar to T whose vertices are contained in J. In fact, the set of such vertices is dense in J.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00151519
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  • 7
    Electronic Resource
    Electronic Resource
    Singular points of a convex tiling (1989)
    Springer
    Mathematische Annalen 284 (1989), S. 601-616 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01443354
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  • 8
    Electronic Resource
    Electronic Resource
    Combining a host gene and a tobacco vein mottling virus coat protein gene for broad and effective resistance to potyviruses in tobacco (Nicotiana tabacum L.) (1997)
    Springer
    Molecular breeding 3 (1997), S. 331-339 
    Details
    ISSN: 1572-9788
    Keywords: additive effect ; plant transformation ; transgenic ; virus resistance ; Virgin A mutant gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Over 100 transgenic tobacco lines in five genetic backgrounds were transformed with the tobacco vein mottling virus (TVMV) coat protein (CP) gene. Transgenic lines were initially tested for their reaction to inoculation with a TVMV systemic strain (TVMV-S) and a potato virus Y common strain (PVY-O). Of the 104 TVMV CP lines 60% were classified as resistant to PVY-O, whereas only 30% of these same lines were resistant to TVMV-S. A subset of six PVY-O-resistant transgenic lines and four control lines were tested for their reaction to a local isolate of TVMV, tobacco etch virus (TEV) and five isolates of PVY. The same ten lines were also tested for responses to a serial dilution of inoculum for two PVY isolates, PVY-KY1 and PVY-NN. Transgenic lines carrying an endogenous resistance gene known as Virgin A mutant (VAM) had greater resistance and a broader spectrum of resistance than did transgenic lines without the VAM gene. This additive effect of the endogenous resistance gene and coat protein-mediated resistance (CPMR) was not overcome by the highest inoculum concentration. The results indicate that the additive effect of the VAM gene and CPMR could extend the effectiveness of CPMR in controlling potiviruses. These findings could have important implications for plant improvement programs using CPMR against potyvirus diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009680929276
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  • 9
    Electronic Resource
    Electronic Resource
    Field resistance of transgenic burley tobacco lines and hybrids expressing the tobacco vein mottling virus coat protein gene (1997)
    Springer
    Molecular breeding 3 (1997), S. 319-330 
    Details
    ISSN: 1572-9788
    Keywords: additive effect ; coat protein-mediated resistance ; potyviruses ; virus resistance ; Virgin A Mutant gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Fifty transgenic lines expressing the tobacco vein mottling virus (TVMV) coat protein (CP) gene in five genetic backgrounds were evaluated under field conditions for response to mechanic inoculation with TVMV, tobacco etch virus (TEV) and potato virus Y (PVY). TVMV CP transgenic lines conferred resistance to TVMV, TEV and PVY under field conditions. Combining two strategies, coat protein-mediated resistance (CPMR) coupled with an endogenous resistance gene (Virgin A Mutant, VAM) significantly extended the range and magnitude of virus resistance and provided a potential valuable new source of protection against potyviruses. CP transgenic lines lacking the VAM gene had high resistance to TEV, medium resistance to PVY, and a recovery phenotype to TVMV. A series of hybrids involving transgenic lines were generated and tested under field conditions for response to virus inoculation. One copy of TVMV-CP gene presented in lines homozygous for the VAM gene provided effective resistance to all three potyviruses. These studies also suggested that selection of a suitable recipient genotype was critical and that field evaluation was necessary in order to select elite resistant transgenic lines. Engineering viral CP genes into genotypes possessing some level of virus resistance could be critical to achieve an effective level of resistance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009618931171
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  • 10
    Electronic Resource
    Electronic Resource
    Agronomic Performance of Transgenic Burley Tobaccos Expressing TVMV or AMV Coat Protein Genes with and without Virus Challenges (1999)
    Springer
    Crop science 39 (1999), S. 1195-1202 
    Details
    ISSN: 1435-0653
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Nicotiana tabacum L.) lines expressing either the tobacco vein mottling virus (TVMV) coat protein (CP) gene or the alfalfa mosaic virus (AMV) CP gene were evaluated for their agronomic performance with or without virus challenge. All TVMV CP lines were characterized previously for their virus resistance following challenge with three different potyviruses. In the absence of virus challenge, the cured leaf yield of more than 80% of the TVMV CP lines was not significantly different from their non-transgenic counterparts; half of the poor performing lines were in one of the five genetic backgrounds. Similarly, most of the negative variation for yield among the AMV CP transgenic lines was within a single genetic background. Variation for other agronomic traits, including plant height, leaf size, and stalk diameter closely followed the results for yield. Following virus challenge, cured leaf yield of the most resistant transgenic lines was similar to the non-challenged treatment. Among the AMV CP transgenic lines, yield loss following challenge with AMV was reduced from 22 to 30%. These results suggest that the primary selection criterion in a population of transgenic tobacco lines containing a viral CP gene should be for virus resistance, but it must be recognized that variation for agronomic performance may exist among the resistant selections, particularly in some genetic backgrounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/
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